From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Photograph of pistons and connecting rod big-end bearings laid out for inspection.
| Identifier | ExFiles\Box 116\1\ scan0033 | |
| Date | 22th April 1938 guessed | |
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